URA indicative underground structure and infrastructure outlines from Master Plan 2019 amendments. GEOJSON and KML layers assist engineers and planners visualising selective subsurface features without proprietary CAD. Users should verify against the latest Master Plan on URA’s website because layers may be updated ad hoc. This collection supports Singapore open geospatial analysis of planned underground development context.
Indicative outline showing selective underground structure and infrastructure layer. This layer is extracted from the latest Master Plan 2019 which may be updated from time to time. For the latest Master Plan, please visit URA�s web site at https://www.ura.gov.sg/.
Urban Redevelopment Authority GeoJSON amendment layer of selected underground structures and infrastructure from Master Plan 2019, updated from September 2025. Planners note it is indicative only and does not map island-wide underground assets; the latest plan is on https://www.ura.gov.sg/.